| Model Number |
| ESP32-C3 |
ESP8685H4 |
| Model Name |
| Espressif Systems ESP32-C3 |
Espressif Systems ESP8685H4 |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| Espressif Systems |
Espressif Systems |
| Description |
| 400KB 22 3V~3.6V RISC-V 160MHz QFN-32-EP(5x5) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
QFN-28(4x4) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 0.175 grams / 0.006173 oz |
0.088 grams / 0.003104 oz |
| Package / Case |
| QFN-32-EP(5x5) |
QFN-28(4x4) |
| Package / Arrange |
| Tape & Reel (TR) |
Tape & Reel (TR) |
| Battery |
| No |
No |
| ECCN |
| 5A992C |
5A992C |
| Infrared Data Association |
| - |
N/A |
| Low-Voltage Detect |
| - |
N/A |
| CCP Capture/Compare |
| - |
N/A |
| Internal Comparator |
| - |
N/A |
| communication protocol |
| WIFI协议;蓝牙协议 |
N/A |
| Watchdog |
| Yes |
N/A |
| Real-Time Clock |
| Yes |
N/A |
| Universal Serial Bus |
| - |
N/A |
| RAM Size |
| 400KB |
N/A |
| Internal Oscillator |
| - |
N/A |
| PWM (Bit) |
| - |
N/A |
| DAC (Bit) |
| - |
N/A |
| Program Memory Type |
| - |
N/A |
| ADC (Bit) |
| 12bit |
N/A |
| GPIO Ports Number |
| 22 |
N/A |
| Operating Temperature Range |
| -40℃~+105℃ |
N/A |
| Operating Voltage Range |
| 3V~3.6V |
N/A |
| CPU Core |
| RISC-V |
N/A |
| Peripheral/Function |
| WIFI Protocol stack;Bluetooth protocol stack;硬件加密;TRNG;DMA;54BitTimer;PWM;Temperature transducer;WDT;Real-Time Clock |
N/A |
| Secure Digital Input and Output |
| - |
N/A |
| Direct Memory Access |
| Yes |
N/A |
| I2C |
| 1 |
N/A |
| UART/USART |
| 2 |
N/A |
| CPU Maximum Speed |
| 160MHz |
N/A |
| SPI |
| 3 |
N/A |
| I2S |
| 1 |
N/A |
